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SUMMARY:MEchanics GAthering –MEGA- Seminar: Dynamic light scattering as 
 a probe of very small deformations
DTSTART:20230323T161500
DTEND:20230323T173000
DTSTAMP:20260408T000057Z
UID:55f5bd6219279668379f24915e92ee8e58074b6acddc3a4bb524b4fe
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Jérôme Crassous (University of Rennes\; visiting FL
 EXLAB\, EPFL)\nAbstract:\nNumerous measurement methods allow access to the
  deformation fields of solids. Each of them has different metrological spe
 cificities. In this presentation I will discuss the use and specificities 
 of dynamic light scattering techniques. In a first part\, I will recall s
 ome of the light scattering techniques\, and show the relation between the
  correlation of the scattered light and the deformation of solid or fluids
 . In a second part I will show some applications: measurement of tiny elas
 tic deformations\, thermal expansion\, precursors to cracking and measurem
 ent of shear stress.  \n\nBiography:\nJerome crassous is a professor of P
 hysics at the University of Rennes. After a PhD on nano-wetting\, he was a
 n assistant professor at the ENS de Lyon where he worked on adhesion and l
 ubrication force measurements. At the University of Rennes he developed te
 chniques for measuring microstrain based on dynamic light scattering\, and
  used it to characterize deformations of granular materials. His current 
 research interests include plasticity of granular materials\, and collecti
 ve effects in frictional media.
LOCATION:MED 2 2423 https://plan.epfl.ch/?room==MED%202%202423 https://epf
 l.zoom.us/j/62450944145?pwd=NjVSdFI4VnJEVXJiT2VnNkpJQnN2Zz09
STATUS:CONFIRMED
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